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Author Question: The blood exchanges oxygen and carbon dioxide in the: a. heart. b. liver. c. digestive system. d. ... (Read 62 times)

nautica902

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on: Aug 20, 2018
The blood exchanges oxygen and carbon dioxide in the:
 a. heart.
 b. liver.
 c. digestive system.
  d. lungs.
 e. mouth.

Question 2

Of the choices provided, which is the most difficult to digest?
  1.Chicken
  2.Beef
  3.Peas
  4.Grains
  5.Pork


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mrphibs

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Reply #1 on: Aug 20, 2018
Answer to Question 1

d

Answer to Question 2

4


nautica902

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Reply 2 on: Aug 20, 2018
Great answer, keep it coming :)

amynguyen1221

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Reply 3 on: Yesterday
:D TYSM

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